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dyspnea (disp-nee’-ah)Air hunger resulting in labored or difficult breathing, sometimes with pain. Normal when due to vigorous work or exercise.
cyanosis (sigh-ah-no’-sis) Slightly bluish, grayish, slatelike, or dark purple discoloration of the skin due to reduced hemoglobin in the blood. Lack of oxygen.
lumbago (lum-bay’-go) general term for lumbar back pain.
